No, no, no...
That message will send the soccer moms and the brainwashed latte-sippers into a tizzy. They are programmed to think that ANY reference to death is a THREAT, or some sort of veiled reference to a threat. This won't work, because their sense of irony and satire has pretty much been excised and replaced with paranoid, irrational fear.
How about the old standbys:
"Defense-Free Victim Zone"
"Unless you are rich or politically connected"
"Careful what you say:
We're coming for the First Amendment next"